21/10-D4

Present

Well Header

Well No
21/10-D4
NSTA DEN No
946
Well Name
--
Drill Seq No
4
Quadrant / Block
21 / 10
Surface Location
57.721942, 0.901615
Source Datum
ED50
Subsea Well
No
Platform
D
Slot No
5-4
Operator
APACHE NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
APACHE NORTH SEA LIMITED
Licence No
P246
Licence Type
Production
Spud Date
1977-01-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/10-D4 Original
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
44.200
Ground Elev (m)
--
Water Depth (m)
122.00
TD MD (m)
3175.000
TD TVDSS (m)
2272.000
TD Datum Depth (m)
44.166
TD Datum Type
Kelly Bushing
Spud Date
1977-01-14
TD Reached
1977-04-14
Completion Date
1977-04-30
Release Date
1981-04-30

Formation Tops (5)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/10-D4 Unknown 166.000 121.800 BGS LithoStrat Upper
Balder Cenozoic 2670.000 2625.800 BGS LithoStrat Upper
Sele Mesozoic 2761.000 2716.800 BGS LithoStrat Upper
Forties Sandstone Member Mesozoic 2802.000 2757.800 BGS LithoStrat Upper
Forties Shale Member Mesozoic 3000.000 2955.800 BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/10-D4 0 0 0 5 5 0 0 0 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/10-D4 Oil O Forties Sandstone Member 2802.4378800000004 -- 198 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/10-D4 0 -- -- --

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